package com.besidewallpaper.user.service.impl;

import com.besidewallpaper.user.constant.MessageConstant ;
import com.besidewallpaper.user.constant.PasswordConstant ;
import com.besidewallpaper.user.constant.StatusConstant ;
import com.besidewallpaper.user.dto.EmployeeDTO ;
import com.besidewallpaper.user.dto.EmployeeLoginDTO ;
import com.besidewallpaper.user.entity.Employee ;
import com.besidewallpaper.user.exception.AccountLockedException ;
import com.besidewallpaper.user.exception.AccountNotFoundException ;
import com.besidewallpaper.user.exception.PasswordErrorException ;
import com.besidewallpaper.user.mapper.EmployeeMapper ;
import com.besidewallpaper.user.service.EmployeeService ;

import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.util.List;

@Service
public class EmployeeServiceImpl implements EmployeeService {

    @Autowired
    private EmployeeMapper employeeMapper;

    /**
     * 员工登录
     *
     * @param employeeLoginDTO
     * @return
     */
    public Employee login(EmployeeLoginDTO employeeLoginDTO) {
        String username = employeeLoginDTO.getUsername();
        String password = employeeLoginDTO.getPassword();

        //1、根据用户名查询数据库中的数据
        Employee employee = employeeMapper.getByUsername(username);

        //2、处理各种异常情况（用户名不存在、密码不对、账号被锁定）
        if (employee == null) {
            //账号不存在
            throw new AccountNotFoundException(MessageConstant.ACCOUNT_NOT_FOUND);
        }

        //密码比对
        password =DigestUtils.md5DigestAsHex(password.getBytes());
        if (!password.equals(employee.getPassword())) {
            //密码错误
            throw new PasswordErrorException(MessageConstant.PASSWORD_ERROR);
        }

        if (employee.getStatus() == StatusConstant.DISABLE) {
            //账号被锁定
            throw new AccountLockedException(MessageConstant.ACCOUNT_LOCKED);
        }

        //3、返回实体对象
        return employee;
    }

    @Override
    public void save(EmployeeDTO employeeDTO) {
        Employee employee=new Employee();

        //对象属性拷贝
        BeanUtils.copyProperties(employeeDTO,employee);

        //设置账号状态
        employee.setStatus(StatusConstant.ENABLE);

        employee.setPassword(DigestUtils.md5DigestAsHex(PasswordConstant.DEFAULT_PASSWORD.getBytes()));

//        //设置当前记录的创建时间
//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());
//
//        //设置当前记录创建人id和修改人id
//        employee.setCreateUser(BaseContext.getCurrentId());
//        employee.setUpdateUser(BaseContext.getCurrentId());

        employeeMapper.insert(employee);
    }



    public void startOrStop(Integer status, Long id) {
//        Employee employee=new Employee();
//        employee.setStatus(status);
//        employee.setId(id);
        Employee employee=Employee.builder()
                        .status(status)
                        .id(id)
                        .build();
        employeeMapper.update(employee);
    }

    public Employee getById(Long id) {
        Employee employee=employeeMapper.getById(id);
        employee.setPassword("****");
        return employee;
    }

    public void update(EmployeeDTO employeeDTO) {
        Employee employee=new Employee();
        BeanUtils.copyProperties(employeeDTO,employee);

//        employee.setUpdateTime(LocalDateTime.now());
//        employee.setUpdateUser(BaseContext.getCurrentId());

        employeeMapper.update(employee);
    }

}
